Home / 111,789.66-154,268.16-60,801.24

Finding the Fourth Proportional to 111,789.66, 154,268.16 and 60,801.24

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Solution

The fourth proportional to 111,789.66, 154,268.16 and 60,801.24 is: 83,904.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,789.66 : 154,268.16 = 60,801.24 : x
  2. Step 2: Convert to fraction form
    111,789.66/154,268.16 = 60,801.24/x
  3. Step 3: Cross multiply
    111,789.66x = 154,268.16 × 60,801.24
  4. Step 4: Simplify right side
    111,789.66x = 9,379,695,420.52
  5. Step 5: Solve for x
    x = 9,379,695,420.52/111,789.66
  6. Step 6: Final answer
    x = 83,904.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.